68351515423461 has 24 divisors (see below), whose sum is σ = 101048351111136. Its totient is φ = 44498122028640.

The previous prime is 68351515423409. The next prime is 68351515423481. The reversal of 68351515423461 is 16432451515386.

68351515423461 is a `hidden beast` number, since 6 + 8 + 3 + 5 + 1 + 5 + 1 + 542 + 34 + 61 = 666.

It is not a de Polignac number, because 68351515423461 - 2²¹ = 68351513326309 is a prime.

It is a super-2 number, since 2×68351515423461² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68351515423398 and 68351515423407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68351515423481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17774130 + ... + 21274931.

It is an arithmetic number, because the mean of its divisors is an integer number (4210347962964).

Almost surely, 2^{68351515423461} is an apocalyptic number.

It is an amenable number.

68351515423461 is a deficient number, since it is larger than the sum of its proper divisors (32696835687675).

68351515423461 is a wasteful number, since it uses less digits than its factorization.

68351515423461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39053633 (or 39053630 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The spelling of 68351515423461 in words is "sixty-eight trillion, three hundred fifty-one billion, five hundred fifteen million, four hundred twenty-three thousand, four hundred sixty-one".